| Viviparidae Temporal range:
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|---|---|
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| An alive but retracted individual of Viviparus contectus, showing the operculum | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Architaenioglossa |
| Superfamily: | Viviparoidea |
| Family: | Viviparidae J. E. Gray, 1847[1] |
| Diversity[2] | |
| 125–150 freshwater species | |
Viviparidae, sometimes known as the river snails or mystery snails, are a family of large aquatic gastropod mollusks, being some of the most widely distributed operculate freshwater snails.
This family is classified in the informal group Architaenioglossa according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005.
- ^ Gray J. E. (November 1847) (1833). "A list of genera of Recent Mollusca, their synonyma and types". Proceedings of the Zoological Society in London, 15: 129-182. Viviparidae at page 155.
- ^ Strong E. E., Gargominy O., Ponder W. F. & Bouchet P. (2008). "Global Diversity of Gastropods (Gastropoda; Mollusca) in Freshwater". Hydrobiologia 595: 149-166. hdl:10088/7390 doi:10.1007/s10750-007-9012-6.